Compressible Piezoelectric Ceramic Nanofiber Aerogels with Multifunction

IF 17.2 1区工程技术 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Advanced Fiber Materials Pub Date : 2025-04-08 DOI:10.1007/s42765-025-00535-8

Yuan Gao, Pi-Hang Yu, Jun Zhang, Guo-Dong Zhang, Chuan-Hui Guo, Yi-Qian Zhou, Yun-Ze Long, Hui Wu

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Abstract

Lead-free barium titanate (BaTiO₃) nanofiber material is an attractive functional material. However, as a ceramic material, its inherent brittleness significantly limits its widespread application. Herein, we optimized the solution blow spinning process using aerodynamic simulations, enabling the efficient fabrication of layered barium titanate/aluminum oxide (BaTiO₃/Al₂O₃) ceramic nanofiber aerogels. The incorporation of amorphous Al₂O₃ repaired the defects in the nanofibers, providing aerogels with outstanding mechanical properties. For example, these aerogels can support nearly 1000 times their own weight, exhibit a tensile strain of 11%, and demonstrate exceptional compressive resilience and fatigue resistance. Additionally, the aerogels demonstrated superior performance in flexible electronics, thermal protection, sound absorption, and high-temperature filtration. This research paves the way for the large-scale production and extensive application of flexible piezoelectric ceramic aerogels.

Graphical abstract

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多功能可压缩压电陶瓷纳米纤维气凝胶

无铅钛酸钡（BaTiO3）纳米纤维材料是一种极具吸引力的功能材料。然而，作为陶瓷材料，其固有的脆性极大地限制了其广泛应用。在此，我们利用空气动力学模拟优化了溶液吹丝工艺，实现了层状钛酸钡/氧化铝（BaTiO3/Al2O3）陶瓷纳米纤维气凝胶的高效制备。非晶Al2O3的掺入修复了纳米纤维的缺陷，使气凝胶具有优异的力学性能。例如，这些气凝胶可以支撑自身重量近1000倍的物体，拉伸应变为11%，并表现出优异的压缩弹性和抗疲劳性。此外，气凝胶在柔性电子、热保护、吸声和高温过滤方面表现出优异的性能。该研究为柔性压电陶瓷气凝胶的大规模生产和广泛应用奠定了基础。图形抽象

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来源期刊

Advanced Fiber Materials Multiple-

CiteScore

18.70

自引率

11.20%

发文量

109

期刊介绍： Advanced Fiber Materials is a hybrid, peer-reviewed, international and interdisciplinary research journal which aims to publish the most important papers in fibers and fiber-related devices as well as their applications.Indexed by SCIE, EI, Scopus et al. Publishing on fiber or fiber-related materials, technology, engineering and application.